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Older picture of the Anthracite King, before the
new paint job. |
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The Anthracite King
The "King" is one of the
more easily recognised draglines in existance today, the distinctive
"Cantilever Boom" make it easy to spot.
The King, A Bucyrus Erie 1250B
walking dragline, Spends it's days doublecasting with a Marion 8700
in a Northeastern Pennsylvania Anthracite mine.
Since the mines in the area run up
to 600 feet deep, a single dragline can't remove the overburden from
the pit. In this situation, doublecasting comes into play.
Doublecasting involves a dragline
sitting on a bench about half way down into the pit, and another
located on the rim of the pit. The Lower drag digs spoil from the pit
in front of it and spins around and piles it as high as it can behind
itself. The second dragline then reaches down and picks up the spoil
from the pile and carries it the rest of the way out of the pit.
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The King, wearing a new paint job. |
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